Techno Lock BBA PKE REMOTE Smart Key Box First Edition 2022 Volkswagen B8 Type

Techno Lock PKE REMOTE BBA Smart Key Box First Edition 2022 Volkswagen B8 Type

Car access systems allow or deny access to passenger cabins and storage areas.
Early car access systems were based on purely mechanical structures designed strictly to prevent theft.
Microelectronics and RF technologies have dramatically improved safety features and enabled new features such as activating safety alarms, setting individual driver preferences, and even automatically closing windows.

Most cars now include remote keyless entry (RKE), and an increasing number are equipped with passive keyless entry (PKE REMOTE).
RKE controls car doors and trunk lids by sending a wireless signal when users press buttons on key fobs.
PKE REMOTE, which can be considered an advanced RKE, allows users who have the key fob to open car doors by pulling the door handle without having to press a button.
Near Field Communication (NFC) is quickly gaining the attention of the automotive industry as a safer and more capable way to deliver PKE REMOTE functions in the car for a more convenient and personalized user experience.
 

RKE

A typical RKE system has a wireless transmitter operating at 315 or 433.92 MHz and an MCU built into the car keys.
The MCU mostly stays in sleep mode to save power.
When a car key button is pressed, the MCU wakes up and instructs the transmitter to send a 64-bit or 128-bit data stream after carrier modulation.
An installed RF receiver receives the data and transmits it to another MCU which verifies the identity of the sender and instructs the mechanism to unlock the doors.
Multi-button key fobs can perform several other tasks such as opening the trunk, flashing lights, sounding an alarm, and even starting the engine.